package proxy;

import java.lang.reflect.*;
import java.util.*;

public class ProxyTest {
    public static void main(String[] args) {
        Object[] elements = new Object[1000];
        for (int i = 0; i < elements.length; i++) {
            Integer value = i + 1;
            TraceHandler handler = new TraceHandler(value);
            Object proxy = Proxy.newProxyInstance(
                    ClassLoader.getSystemClassLoader(),
                    new Class[]{Comparable.class}, handler
            );
            elements[i] = proxy;
        }

        Integer key = new Random().nextInt(elements.length) + 1;
        int result = Arrays.binarySearch(elements, key);
        if (result >= 0) {
            System.out.println(elements[result]);
        }
    }
}

class TraceHandler implements InvocationHandler {
    private Object target;

    public TraceHandler(Object t) {
        target = t;
    }

    public Object invoke(Object proxy, Method m, Object[] args) throws Throwable {
        System.out.print(target);
        System.out.print("." + m.getName() + "(");
        if (args != null) {
            for (int i = 0; i < args.length; i++) {
                System.out.print(args[i]);
                if (i < args.length - 1) {
                    System.out.print(", ");
                }
            }
        }
        System.out.println(")");
        return m.invoke(target, args);
    }
}
